DXCM DEXCOM INC: institutional ownership and insider trading
1,079 funds reported holding $33.8B of DEXCOM INC in their latest 13F filings; in Q2 2026 funds net bought $1.74B, with 114 new positions and 102 funds selling out; over the last 12 months insiders bought $1.00M and sold $12.8M on the open market.
Famous investors holding DXCM
- Renaissance Technologies (Renaissance Technologies): $110M, 0.2% of the portfolio
- Ray Dalio (Bridgewater Associates): $27.0M, 0.1% of the portfolio
- Ken Griffin (Citadel Advisors): $186M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $31.8M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $3.29M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $3.15M, 0.0% of the portfolio
Largest institutional holders of DXCM
- VANGUARD GROUP INC — $3.26B
- BlackRock, Inc. (BLK) — $2.58B
- Banque Cantonale Vaudoise — $2.51B
- VANGUARD CAPITAL MANAGEMENT LLC — $1.70B
- VANGUARD PORTFOLIO MANAGEMENT LLC — $1.32B
- STATE STREET CORP (STT, STT-PG) — $1.24B
- Invesco Ltd. (IVZ) — $1.03B
- BAILLIE GIFFORD & CO — $997M
- GEODE CAPITAL MANAGEMENT, LLC — $834M
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — $758M
Recent DXCM insider trades
- Oct 15, 2026: Brown Michael Jon sold 1,700 shares ($145K)
- Sep 28, 2026: Stern Sadie sold 2,565 shares ($221K)
- Sep 15, 2026: Brown Michael Jon sold 1,700 shares ($143K)
- Sep 15, 2026: Augustinos Nicholas sold 8,089 shares ($680K)
Members of Congress trading DXCM
- May 15, 2025: Robert P. Bresnahan, Jr. bought $1.00K–$15.0K
- May 12, 2025: Jefferson Shreve sold $15.0K–$50.0K
- May 8, 2025: Jefferson Shreve bought $15.0K–$50.0K
- Apr 8, 2025: Robert P. Bresnahan, Jr. sold $1.00K–$15.0K
- Apr 7, 2025: Jefferson Shreve sold $15.0K–$50.0K
- Feb 25, 2025: Robert P. Bresnahan, Jr. bought $1.00K–$15.0K
- Dec 31, 2024: Kevin Hern sold $50.0K–$100K
5%+ owners
- Vanguard Capital Management: 7.5% (Schedule 13G, filed Apr 29, 2026)
- Vanguard Portfolio Management: 5.0% (Schedule 13G, filed Apr 29, 2026)